Chemistry Forum

Join the expert discussion on chemistry. Chemistry is the study of the nature, properties, and composition of matter. Biochemistry, Organic, Inorganic, Analytical are topics that may be discussed.

Threads

Convert mg/s to SCCM (Standard Cubic Centimeters per Minute)

  • jagadeeshr
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2

Do Different Temperatures Affect Enzyme Activity in a Parabolic Arrhenius Plot?

  • Tymothee Waldner
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1

How to test for a purity of a chemical compound

  • brajesh
  • · Replies 10 ·
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10

[Quantum Chemistry] Generalized wave function in covalent bonding

  • Mayhem
  • · Replies 1 ·
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1

My first time mixing Kroll's reagent

  • Jodo
  • · Replies 7 ·
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7

Are Electrons Transferring Energy in Hybridisation Orbitals?

  • robynmc
  • · Replies 13 ·
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13

About oxidation and reduction in organic Chemistry

  • samy4408
  • · Replies 10 ·
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10

Can vinegar effectively remove residual oils from surfaces and objects?

  • DaveE
  • · Replies 10 ·
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10

LC/MS procedure steps for detecting nut allergens in food

  • Fig Neutron
  • · Replies 2 ·
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2

Why do sodium and sodium chloride give the same flame test color?

  • PainterGuy
  • · Replies 6 ·
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6

Neutralize chloramines in tap water

  • watersplit
  • · Replies 4 ·
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4

Chemical plant design and construction

  • akerkarprashant
  • · Replies 1 ·
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1

What are the Potential Results of Mixing Different Alkanes?

  • akerkarprashant
  • · Replies 6 ·
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6

Can I Use a 6V Battery for Electrolysis?

  • moriah
  • · Replies 8 ·
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8

Is Distillation the Best Method for Purifying Water?

  • watersplit
  • · Replies 12 ·
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12

Can a Vortex Effectively Purify Water by Utilizing Gravity?

  • watersplit
  • · Replies 2 ·
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2

Valence of the Lanthanides and Actinides

  • Thytanium
  • · Replies 2 ·
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2

Safety of plastic spoons, etc. below their advised maximum temperature?

  • kenny1999
  • · Replies 15 ·
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15

What Are Some Recommended Websites for Learning About Chemistry?

  • ryokan
  • · Replies 132 ·
5
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132

In Medieval Africa, A Unique Process for Purifying Gold With Glass

  • Astronuc
  • · Replies 0 ·
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0

How Do Cashews Cause Fabric Discoloration?

  • Darkmisc
  • · Replies 1 ·
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1

Gallium Alloys and their melting points?

  • some bloke
  • · Replies 9 ·
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9

The shielding effect and effective nuclear charge

  • Huzaifa
  • · Replies 2 ·
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2

Spiking drinks -- how about straws to detect when a drink is spiked?

  • saretta9999
  • · Replies 7 ·
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7

Why does combining Hydrogen, Oxygen and Sulphur produce a liquid?

  • BenDover
  • · Replies 6 ·
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6

How Do Acid-Base Equilibria Work?

  • Huzaifa
  • · Replies 5 ·
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5
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1

Is K41 more valuable than other isotopes of potassium?

  • ProjectFringe
  • · Replies 22 ·
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22

Deriving the Henderson-Hasselbalch equation

  • Huzaifa
  • · Replies 6 ·
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6

Using matrices to balance chemical equations

  • barryj
  • · Replies 11 ·
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11
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3

Why does aluminum produce hydrogen but not oxygen during electrolysis?

  • BenDover
  • · Replies 9 ·
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9

I want to learn about the Mesomeric effect

  • samy4408
  • · Replies 3 ·
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3

What does it mean by PC in this article?

  • user366312
  • · Replies 5 ·
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5

Biotechnology Student from Germany Needs Help Analyzing NMR Spectrum

  • Sippi7299
  • · Replies 3 ·
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3

Balancing Chemical Equations - Is RHS=LHS true always?

  • akerkarprashant
  • · Replies 10 ·
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10

How is the current density solved for in an electrolyzer unit?

  • Shan43
  • · Replies 6 ·
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6

Oxygen gas produced by a Solid element + sodium hydroxide solution?

  • BenDover
  • · Replies 11 ·
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11

Very High Standard Deviation in Excitation Emission Matrix Measurement

  • JonasFnr
  • · Replies 3 ·
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3

Some coffees clog the coffee filter -- Why or how?

  • symbolipoint
  • · Replies 15 ·
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15

Could microfiber cloth be toxic?

  • kenny1999
  • · Replies 13 ·
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13

Why/how does filter paper block/trap coffee oils?

  • The Bill
  • · Replies 45 ·
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45

Why does air smell different after using a CPAP machine?

  • DaveC426913
  • · Replies 21 ·
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21

Problems in Copper and Zinc Electroplating

  • hojess02
  • · Replies 9 ·
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9

Extracting carbohydrates from food dissolved in hydrochloric acid

  • bobdavis
  • · Replies 3 ·
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3

How many atoms are in a given mass of metal?

  • Jetstream
  • · Replies 7 ·
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7

Is Sodium Fluoride a Silent Killer?

  • swampwiz
  • · Replies 20 ·
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20

Can "Secret" Food Recipe Formulas Not Be Reverse Engineered?

  • kyphysics
  • · Replies 13 ·
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13

Nomenclature of organic compounds

  • Vernii
  • · Replies 1 ·
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1

Gaussian B3LYP/6-311G error calculating organometallic Cu compound

  • EL AALLAOUI Najla
  • · Replies 1 ·
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1

What exactly happens during a phase change?

  • Iwanttolearnphysics
  • · Replies 10 ·
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10

Identification test for Rochelle Salt?

  • mishima
  • · Replies 2 ·
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2

Which ether solvant must we ban when making grignard reagents?

  • duchuy
  • · Replies 1 ·
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Ethanol (Alcohol) 75% and isopropyl alcohol (75%) - any difference?

  • kenny1999
  • · Replies 22 ·
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22

Can nitrous oxide be made from air?

  • Stormer
  • · Replies 9 ·
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9

Radioactive decay - the difference between "lambda" and "k"

  • wolf1728
  • · Replies 3 ·
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3

Why is Potassium Nitride (K3N) unstable?

  • ProjectFringe
  • · Replies 3 ·
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3

Make a Food-Safe Silicone Mold from 3D Printed Object

  • LightningInAJar
  • · Replies 3 ·
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3

Can ABS Plastic Be Safely Broken Down for Recycling?

  • LightningInAJar
  • · Replies 10 ·
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10

Understanding Monomer Connections: Where Non-Chemists Can Look

  • ragnarokas
  • · Replies 3 ·
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3

Is the molecular formula for sugar correct?

  • akerkarprashant
  • · Replies 7 ·
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7

Naming polyester and amide bio-lubricants from sunflower oil

  • almar_96
  • · Replies 4 ·
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4

Radioluminescence and differing zinc sulfide preparations?

  • Positronix
  • · Replies 1 ·
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1

What exactly is negative adsorption?

  • Kaushik
  • · Replies 15 ·
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15

Mono-esterify a mono-phosphate salt group to a carboxylic acid

  • Alexander Roschinkov
  • · Replies 4 ·
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4

Understanding MAL of Cadmium in Soft Water

  • AnandLeo
  • · Replies 2 ·
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2

Revolutionizing Chemistry: The 2021 Nobel Prize in Asymmetric Organocatalysis

  • TeethWhitener
  • · Replies 0 ·
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0
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1
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2

Owens - Wendt Model for Surface Energy of Solid - Liquid Interface

  • Dario56
  • · Replies 1 ·
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1

Chemical inhibitions of radioactive elements

  • Mayhem
  • · Replies 8 ·
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8

Which diagram of water molecules is correct?

  • lioric
  • · Replies 10 ·
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10

What's the derivation of the 'Kinetic Equation' in Chemical kinetics?

  • Ale_Rodo
  • · Replies 4 ·
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4

Liming Lakes: A Solution for Acidification?

  • StarChem
  • · Replies 4 ·
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4

What is the difference in cooking oil before and after frying heavily?

  • abdulbadii
  • · Replies 3 ·
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3

Different volatilities in ideal solutions?

  • SilverSoldier
  • · Replies 1 ·
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1

How do I calculate the pH of slime and its effect on viscosity?

  • irumi
  • · Replies 2 ·
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2

Approximations in Chemical Equilibrium (add a weak acid HA into pure water)

  • SilverSoldier
  • · Replies 3 ·
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3

Why does perfume smell last so long if it evaporates?

  • kenny1999
  • · Replies 2 ·
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2

Can some liquid hand soaps smudge your eyeglass lenses?

  • 12john
  • · Replies 12 ·
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12

Vaporization Heat and the Heat Capacity of H20 comparison

  • StarChem
  • · Replies 3 ·
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3

What is the percentage of elements in a compound?

  • Positronix
  • · Replies 2 ·
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2

Photocatalytic oxidation over TiO2

  • pirupiru
  • · Replies 3 ·
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3

Why Do Atoms Need to Have Free Electrons to Create Covalent Bonds?

  • Dario56
  • · Replies 14 ·
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14

Could microplastics be leached when a plastic bottle is hit?

  • kenny1999
  • · Replies 2 ·
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2

Why does Cu2+ react with I- to give CuI?

  • phantomvommand
  • · Replies 7 ·
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7

Smoothing 3d prints with acetone

  • theycallmevirgo
  • · Replies 8 ·
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8

Calculating Energy Released by Sodium Reacting with Water

  • xpell
  • · Replies 3 ·
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3

What to do with 1 year+ expired bleach?

  • kyphysics
  • · Replies 18 ·
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18

Reaction between marquis reagent and ibuprofen?

  • dckemp1999
  • · Replies 2 ·
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2

Definition of Absolute Electrode Potential

  • Dario56
  • · Replies 2 ·
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2

How can iron have +3 and negative oxidation states?

  • ProjectFringe
  • · Replies 6 ·
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6

Can stainless steel wool work as a catalyst in a hydrogen stove?

  • seandepagnier
  • · Replies 1 ·
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1
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1

Sealants without Methyl Ethyl Ketoxime

  • Cobul
  • · Replies 3 ·
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3

Why Doesn't Calcium Form CaN2?

  • ProjectFringe
  • · Replies 18 ·
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18

Internal Resistance of the Battery - Ohmic Resistance

  • Dario56
  • · Replies 21 ·
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21

Someone stole an argon cylinder today

  • ProfuselyQuarky
  • · Replies 35 ·
2
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35

Can Customs X-Rays Detect Toxic Chemicals?

  • kenny1999
  • · Replies 1 ·
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1

Polar Covalent Bond in HCl question

  • ProjectFringe
  • · Replies 3 ·
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3